No. 5 best place: Canada

Total population: 34.8 million Percentage of population aged 60+: 20.8% (30th highest) Life expectancy at 60: 25 years GDP per capita: $35,223 Other. Elderly residents in Canada can rely on universal healthcare and an old age pension system. However, the government recently said it planned to gradually move the age at which Canadians became eligible for its Old Age Security program up from 65 to 67.

Total population: 34.8 million Percentage of population aged 60+: 20.8% (30th highest) Life expectancy at 60: 25 years GDP per capita: $35,223 Other. Elderly residents in Canada can rely on universal healthcare and an old age pension system. However, the government recently said it planned to gradually move the age at which Canadians became eligible for its Old Age Security program up from 65 to 67. (Michel Comte / AFP/Getty Images)

Total population: 34.8 million Percentage of population aged 60+: 20.8% (30th highest) Life expectancy at 60: 25 years GDP per capita: $35,223 Other. Elderly residents in Canada can rely on universal healthcare and an old age pension system. However, the government recently said it planned to gradually move the age at which Canadians became eligible for its Old Age Security program up from 65 to 67.Michel Comte / AFP/Getty Images